Working, but without dental insurance, a 20-year-old Vallejo man was in such pain from a bad tooth he rushed to a hospital emergency room.
"We have no way to meet the demand," said Lynn Bramwell, county family health services administrator. Most of Sonoma County, California, is fluoridated.
Some say they have nowhere else to go since most private dentists won't see them unless they pay for services up front, Woo said.